What measurement is this item? I need several 70mm escutcheon to replace the ones in my bath which have peeled!

Asked by Mrs Brown

Stainless steel snap on escutcheon used on the waterway polyjets, face outside diameter 3-7/16\". Smaller back piece outside diameter 2-1/8\" front to back 1-1/4\" the face on this is slightly curved on the front and is about 5/16\" front to back.